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Exploring the molecular basis of adaptive evolution in hydrothermal vent crab Austinograea alayseae by transcriptome analysis
Hui, Min1; Song, Chengwen1; Liu, Yuan1; Li, Chaolun1; Cui, Zhaoxia1,2,3
2017-05-26
发表期刊PLOS ONE
卷号12期号:5
文章类型Article
摘要Elucidating the genetic mechanisms of adaptation to the hydrothermal vent in organisms at genomic level is significant for understanding the adaptive evolution process in the extreme environment. We performed RNA-seq on four different tissues of a vent crab species, Austi-nograea alayseae, producing 725,461 unigenes and 134,489 annotated genes. Genes related to sensory, circadian rhythm, hormone, hypoxia stress, metal detoxification and immunity were identified. It was noted that in the degenerated eyestalk, transcription of phototransduction related genes which are important for retinal function was greatly reduced; three crucial neuropeptide hormones, one molt-inhibiting and two crustacean hyperglycemic hormone precursors were characterized with conserved domains; hypoxia-inducible factor 1 and two novel isoforms of metallothioneins in the vent crabs were discovered. An analysis of 6,932 orthologs among three crabs A. alayseae, Portunus trituberculutus and Eriocheir sinensis revealed 19 positive selected genes (PSGs). Most of the PSGs were involved in immune responses, such as crustins and anti-lipopolysaccharide factor, suggesting their function in the adaptation to environment. The characterization of the first vent crab transcriptome provides abundant resources for genetic and evolutionary studies of this species, and paves the way for further investigation of vent adaptation process in crabs.
DOI10.1371/journal.pone.0178417
收录类别SCI
语种英语
WOS记录号WOS:000402063000045
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/137101
专题实验海洋生物学重点实验室
海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao, Peoples R China
3.Natl & Local Joint Engn Lab Ecol Maricultu, Qingdao, Peoples R China
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Hui, Min,Song, Chengwen,Liu, Yuan,et al. Exploring the molecular basis of adaptive evolution in hydrothermal vent crab Austinograea alayseae by transcriptome analysis[J]. PLOS ONE,2017,12(5).
APA Hui, Min,Song, Chengwen,Liu, Yuan,Li, Chaolun,&Cui, Zhaoxia.(2017).Exploring the molecular basis of adaptive evolution in hydrothermal vent crab Austinograea alayseae by transcriptome analysis.PLOS ONE,12(5).
MLA Hui, Min,et al."Exploring the molecular basis of adaptive evolution in hydrothermal vent crab Austinograea alayseae by transcriptome analysis".PLOS ONE 12.5(2017).
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